Combine 2/3 cup evaporated milk, onion, bread crumbs, salt, allspice and pepper.,Add meat; mix well, chill.,Shape meat mixture into 1 balls.,In a large skillet, brown meatballs in butter.,Dissolve bouillon cubes in boiling water; pour over meatballs and bring to a boil over medium heat.,Cover and simmer for 15 minutes.,Meanwhile, blend together cold water and flour.,Remove meatballs from skillet, skim fat from pan juices and reserve juices in the skillet.,Stir 1 cup evaporated milk and flour/water mixture into pan juices in skillet.,Cook uncovered over low heat, stirring until sauce thickens.,Return meatballs to skillet.,______,Serve with cooked egg noodles or mashed potatoes.